The meaning of the Acronym OSF is...

OSF is

• Order of Saint Francis

More Meanings For OSF:

• Optimal Solutions Found
• Operational Support Facility
• Operation Support Facility
• Open Source Folks
• Osaka Stock Futures 50
• Old Style Figures
• Open Software Foundation
• Oregon Shakespeare Festival
• Order of Saint Francis
• Outrage Sound Format
• Open Software Foundation
• Operational Support Facility ( Orlando)
• Open Software Foundation
• Object Strike Force
• Observed Support Frequency

OSF is also in:

• File Extensions
• Firms
• General
• Mathematics
• Media
• Meteorology
• Military
• Non-Profit Organizations
• NYSE Symbols
• Ocean Science
• Performing Arts
• Religion